气候变化领域集成服务门户(CCPortal): Water quality benefits of Acer rubrum and Betula alleghaniensis in the boreal-temperate ecotone on Eastern Cape Breton Island, Canada

CCPortal

DOI	10.1016/j.foreco.2020.117869
	Water quality benefits of Acer rubrum and Betula alleghaniensis in the boreal-temperate ecotone on Eastern Cape Breton Island, Canada
	Bouman O.T.; Mazzocca M.A.; Bennett E.E.; Oakes K.D.
发表日期	2020
ISSN	0378-1127
卷号	460
英文摘要	Forest management objectives in public water supply areas are designed to optimize water quality. We employed a paired-tree sampling approach within mixed stands to test the effects of evergreen conifer versus deciduous angiosperm taxa on water chemistry beneath canopies (i.e., throughfall; TF) in a post-industrial region with Ca-impoverished acidic soils and pronounced coastal weather conditions. Reduced concentrations of protons and sea salt were two discernable benefits of deciduous angiosperm trees. These effects became more pronounced during fall recharge when tree physiological dormancy coincided with onshore storm events and increasing seasonal demand for industrial and residential coal combustion. Taxon differences however, did not exert any significant effect on base cation proportions in soil leachates and on soil cation exchange complexes. Thus, ecosystem-based management of stand-level tree diversity in public water supply areas should monitor pH and electrical conductivity of TF water to mitigate adverse water quality effects of persistent acidifying air pollution and the preponderance and high concentration of Na+ in coastal regions. Results largely corroborated previous observations of a decreasing trend in acidifying air pollution at the northeastern periphery of the Eastern Deciduous Forest biome, although elevated SO4 2−/Cl− – ratios above seawater levels were still noted in TF water chemistry. Electrical conductivity was a reliable predictor of Cl− concentration in TF water regardless of taxon, phenology, and stand location (R2 = 0.99). © 2020 Elsevier B.V.
英文关键词	Abies balsamea; Base cations; Electrical conductivity; Manganese, zinc, oceanic spray; pH; Picea mariana; Tree diversity
语种	英语
scopus关键词	Acidification; Air pollution; Coal combustion; Ecosystems; Electric conductivity; Forestry; Hydrochemistry; pH; Positive ions; Soils; Water quality; Water supply; Abies balsamea; Base cations; Electrical conductivity; Picea mariana; Tree diversity; Water pollution; boreal forest; ecotone; electrical conductivity; manganese; species diversity; temperate forest; tree; water quality; zinc; Acer Rubrum; Air Pollution; Dormancy; Forest Management; Soil; Trees; Water Quality; Water Supply; Canada; Cape Breton Island; Nova Scotia; Abies balsamea; Acer rubrum; Betula alleghaniensis; Coniferophyta; Magnoliophyta; Picea mariana
来源期刊	Forest Ecology and Management
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/155487
作者单位	Department of Biology, Cape Breton University, Sydney, Nova Scotia B1P 6L2, Canada; Cape Breton Regional Municipality Water Utility, Sydney, Nova Scotia B1P 7B9, Canada
推荐引用方式 GB/T 7714	Bouman O.T.,Mazzocca M.A.,Bennett E.E.,et al. Water quality benefits of Acer rubrum and Betula alleghaniensis in the boreal-temperate ecotone on Eastern Cape Breton Island, Canada[J],2020,460.
APA	Bouman O.T.,Mazzocca M.A.,Bennett E.E.,&Oakes K.D..(2020).Water quality benefits of Acer rubrum and Betula alleghaniensis in the boreal-temperate ecotone on Eastern Cape Breton Island, Canada.Forest Ecology and Management,460.
MLA	Bouman O.T.,et al."Water quality benefits of Acer rubrum and Betula alleghaniensis in the boreal-temperate ecotone on Eastern Cape Breton Island, Canada".Forest Ecology and Management 460(2020).